Properties of the Number 2814

Two Thousand Eight Hundred Fourteen

Basics

Value: 2813 → 2814 → 2815

Parity: even

Prime: No

Previous Prime: 2803

Next Prime: 2819

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 67

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 67, 134

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011111110

Octal: 5376

Duodecimal: 1766

Hexadecimal: afe

Square: 7918596

Square Root: 53.04714883949938

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of alternating compositions, i.e., compositions with alternating increases and decreases, starting with either an increase or a decrease. A25047

a(n) = 2*(n² - n + 1). A51890

Multiples of 14 containing a 14 in their decimal representation. A121034

Q-toothpick sequence (see Comments for precise definition). A187210

Number of reducible integer partitions of n. A305563

Numbers n such that Bernoulli number B_n has denominator 1806. A272139

Second 9-gonal (or nonagonal) numbers: a(n) = n*(7·n+5)/2. A179986

Starts of runs of 3 consecutive Gray-code Niven numbers (A344341). A344343

a(n) = n² + (n+1)² + (n+2)² + (n+3)². A27575

a(n) = n*(n + 25). A132767